package com.itheima.demo;

import java.math.BigDecimal;

public class BigDecimalDemo {
    public static void main(String[] args) {
        BigDecimal bd1 = new BigDecimal("0.3");
        BigDecimal bd2 = new BigDecimal("4");
        System.out.println(bd1.add(bd2));
        System.out.println(bd1.subtract(bd2));
        System.out.println(bd1.multiply(bd2));
        System.out.println(bd1.divide(bd2));
        System.out.println(bd1.divide(bd2,2,BigDecimal.ROUND_UP));
        System.out.println(bd1.divide(bd2,2,BigDecimal.ROUND_FLOOR));
        System.out.println(bd1.divide(bd2,2,BigDecimal.ROUND_HALF_UP));
    }
}
